ROC364 Instruction Manual
3-36 Input and Output Modules Rev Jun/05
3.7.6 Discrete Output Relay Module
Discrete Output Relay Module Specifications
FIELD WIRING TERMINALS
A: Normally-open contacts.
B: Common.
C: Normally-closed contacts.
OUTPUT
Type: SPDT dry relay contact.
Maximum Contact Rating (Resistive Load):
30 V dc, 4 Amps.
125 V ac, 4 Amps.
250 V ac, 2 Amps.
Frequency: 0 to 10 Hz maximum.
OUTPUT ISOLATION
Isolation: 10 MΩ minimum, input to output, and
input or output to case.
Voltage: 3,000 V ac (RMS) minimum, input to
output.
POWER REQUIREMENTS
12 V dc Version: 4.9 to 5.1 V dc, 1 mA for module.
12 V dc, 25 mA for relay coil (energized) typical.
24 V dc Version: 4.9 to 5.1 V dc, 1 mA for module.
24 V dc, 12.5 mA for relay coil (energized) typical.
VIBRATION
21 G peak or 0.06" double amplitude, 10-2000 Hz
per MIL-Std-202, Method 204, Condition F.
MECHANICAL SHOCK
1500 G 0.5 ms half sine per MIL-Std-202, Method
213, Condition F.
WEIGHT
37 g (1.3 oz) typical.
CASE
Solvent-resistant thermoplastic polyester, meets
UL94V-0.
Dimensions are 15 mm D by 32 mm H by 43 mm
W (0.6 in. D by 1.265 in. H by 1.690 in. W), not
including pins.
ENVIRONMENTAL
Meets the Environmental specifications of the ROC
in which the module is installed, including
Temperature, Humidity, and Transient Protection.
APPROVALS
Approved by CSA for hazardous locations Class I,
Division 2, Groups A, B, C, and D.
3.7.7 Pulse Input Modules—Source and Isolated
Pulse Input Source Module Specifications
FIELD WIRING TERMINALS
A: Not used.
B: Pulse Input/source voltage.
C: Common.
INPUT
Type: Contact sense.
Source Voltage: 11 to 30 V dc.
Range: Inactive: 0 to 0.5 mA. Active: 3 to 12 mA.
Source Current: Determined by source voltage
(Vs), loop resistance (Rl) and scaling resistor (Rs):
I = (Vs – 1)/(2.2K + Rl + Rs)
POWER REQUIREMENTS
Source Input: 11 to 30 V dc, 6 mA maximum from
ROC power supply.
Module: 4.9 to 5.1 V dc, 1 mA maximum (supplied
by ROC).
INPUT ISOLATION
Not isolated. Terminal C tied to power supply
common.
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